Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh luan » trinh luat, trinh quan, trinh han
luan chung » luan chinh
chung cong » nhung cong, chong cong, phung cong
hoc thieu » toc thieu, hoc hien
thi hieu » thi chieu, thi hien, thi dieu
van canh » van anh, van hanh, van manh
dan can » dan chan, dan canh, dan ca

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (thi hieu)) xanh - hanh trinh luan chung cong ((dan can) or (van canh)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (thi hieu)) xanh - hanh trinh luan chung cong ((dan can) OR (van canh)) ban.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (thi hieu)) xanh - hanh trinh luan chung cong ((dan can) or (van canh)) ban*.